562 THE GLACIAL LAKE AGASSIZ. 



Keystone. — The first artesian well at the buildings of the Keystone Farm, in sec- 

 tion 23, was bored in 1881, having a depth of 110 feet. The section was soil, 2 feet; 

 yellow alluvial clay, 12 feet; sand, yielding considerable water, about 2 inches; dark 

 bluish till, 71 feet ; and sand and gravel, 25 feet. Water of excellent quality, without 

 salty taste and so soft that it can be used for washing with soap, flows at the rate of 

 40 barrels per day, or nearly a gallon per minute, the diameter of the well pipe being 

 5 inches. During all the boring below 85 feet water rose to the surface, but only in 

 very small quantity, until a hard layer of gravel was reached at the bottom. Seven 

 other artesian wells, all obtaining good water in the drift, have since been bored 

 here, ranging in depth from 95 to 150 feet. 



Another well on this farm, sunk to the depth of 250 feet, reached the Dakota 

 sandstone, the very fine white sand coming up with the water and giving it a milky 

 appearance. It yielded a coiiious artesian flow of brackish water, and was therefore 

 abandoned. 



Angus. — Several borings 200 to 300 feet deep in Angus village and its vicinity 

 have found no artesian water. 



A. D. Andrews, southwest quarter of section 10: Well, 82 feet; soil, 2 feet; 

 alluvial sandy silt, 5 feet; hard, dark bluish till, mostly picked, 43 feet; much harder 

 till, with more frequent bowlders, 28 feet; soft sand and gravel, 4 feet and continuing 

 lower, from which good but hard water rose immediately to its permanent level, 20 feet 

 below the surface. 



A. O. Bailey, section 27 : Well, 253 feet ; soil, 2 feet ; mainly till below, with no 

 important beds or veins of sand and gravel belbre reaching the bottom, whence an 

 amjile supply of good water, like that of the less deep artesian wells on the Keystone 

 Farm, rose to 10 feet below the surface. 



Tabor. — The depths of two flowing wells in the southeast part of this township 

 are reported to be about 45 and 70 feet. Common wells are mostly 10 to 15 feet deep, 

 with copious siipply of healthful water from sandy layers in the alluvial clay. 



Farley. — Furlong & Eamsey; southeast (juarter of section 27: Two borings to 

 depths of about 1G5 feet and 200 feet obtained salt water, which rose nearly to the 

 surface, but is not used. This large farm takes its water supply from two shallow 

 wells, each 12 feet deep, and from surface xwols dug a few feet deep. 



MARSHALL COUNTY. 



Warren. — At the elevator of the Warren Manufacturing Company a well 130 

 feet deep has slightly saline water, which rises ft-om the bottom to 5 feet below the 

 surface. Its section was alluvial clay, 50 feet, or quite probably the lower part of this 

 is till; then a bed of gravel, 10 feet, with much water, which does not rise to the 

 surface; dark bluish till, 50 feet; and sand and gravel, 20 feet and continuing lower. 



